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A 250. mL sample of 0.0328M HCl is partially neutralized by the addition of 100. mL of 0.0245M NaOH. Find the concentration of hydrochloric acid in the resulting solution.
If a system has 3.50 × 102 kcal of work done to it, and releases 5.00 × 102 kJ of heat into its surroundings, what is the change in internal energy of the system
Show how you would synthesize the product from the reactant. Show reagents, conditions, and the structures of any important intermediates. Any organic reagent may be used.
Identify the best nucleophile for 2-bromo-2-methylpropane and 2-chloro-2-methylpropane in an Sn1 and a Sn2 reaction; acetone, isopropanol
The initial pH is 11.9 2) the volume of added acid required to reach the equivalence point? pH? 3) the pH at 5.0 mL of added acid is 11.35 4) the pH at the equivalence point??? 5) the pH after adding 6.0 mL of acid beyond the equivalence point
A volume of 1.86 L of H2 is trapped in a nuclear reactor at 870oC and 125 atm. What is the partial pressure (torr) of the H2 after it is released into a container vessel of 2.8 x 104 m3 at 25oC
How much energy is evolved during the reaction of 32.5 g B2H6 and 72.5 g Cl2? Given: B2H6(g) +6Cl2 (g)---->2BCl3 (g) + 6HCl (g) DH -1396kj
A liquid that has a density of 0.80 ± 0.01 g/mL is insoluble in cyclohexane. What is the liquid?
If 2.3g of sodium reacted with 1.8 of water, what would be the total mass of sodium hydroxide and hydrogen produced?
what is this equation and why is it central to the global warming theory: SO2(g) + H2O(l) H2SO3
An inflated balloon has a volume of 0.55 L at sea level (1 atm) and is allowed to rise to a height of 6.6 km, where the pressure is about 0.40 atm.
MnSO4 is converted to MnO2 in a basic medium as oxygen gas is converted to hyroxide ion. In this case, is the sulfate ion a spectator ion. (NaOH is also present. Is sodium ion also a spectator ion) A. Print the oxidation half-equation B
draw lewis dot structure and predict molecular geometry.dataelement atomic wt electronegativityh 1.01 2.1 b 10.81 2.0 c
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